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Finding the Fourth Proportional to 578,363.51, 798,151.51 and 316,741.81

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Solution

The fourth proportional to 578,363.51, 798,151.51 and 316,741.81 is: 437,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,363.51 : 798,151.51 = 316,741.81 : x
  2. Step 2: Convert to fraction form
    578,363.51/798,151.51 = 316,741.81/x
  3. Step 3: Cross multiply
    578,363.51x = 798,151.51 × 316,741.81
  4. Step 4: Simplify right side
    578,363.51x = 252,807,953,931.63
  5. Step 5: Solve for x
    x = 252,807,953,931.63/578,363.51
  6. Step 6: Final answer
    x = 437,109.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.